7.83HZ Programmable Schumann Wave Generator Ultra-Low Frequency Pulse Generator
20,22 €
Waveform, frequency and power can be set (default is fixed). Schumann wave is a kind of natural energy, it is inexhaustible, inexhaustible. Anyone who can easily resonate with Schumann waves can obtain energy, and is naturally full of energy and health.
Jetzt bei Ebay:
